Cal. Pub. Res. Code § 4601

Any person who willfully violates any provision of this chapter or rule or regulation of the board is guilty of a misdemeanor and shall be punishable by a fine of not more than one thousand dollars ($1,000) or by imprisonment in the county jail for not more than six months, or by both such fine and imprisonment. The person is guilty of a separate misdemeanor offense under this section for each day in which an order for corrective action issued pursuant to Section 4605 or 4608 is violated.